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✨ Trusted Women’s Health Tools

Understand Your Cycle.
Plan With Confidence.

Free, science-based calculators that help you predict ovulation, fertile days, menstrual cycles, pregnancy milestones, and safe periods in seconds.

Start Calculating How It Works

500K+

Calculations

5

Health Tools

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Ovulation

July 4

Fertile Window

July 1–6

Next Period

July 12

Health Calculators

Everything You Need In One Place

Ovulation Calculator

Know your ovulation day.

Pregnancy Calculator

Estimate due dates.

Menstrual Calculator

Track cycle patterns.

Safe Period Calculator

Estimate safer days.

Fertile Window Calculator

Find your most fertile days.

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